Ore-crusher



(No Model.) 3 Sheets-Sheet 1. R. H. SANDERS 8v 0. T.- THOMPSON.

ORE GRUSHER.

Patented June 25, 1895;

m: NORRIS PETERS co. vnomurua, wunmnmu n c (No Model.) 3 Sheets-Sheet 2.

R. H. SANDERS & 0.1.1.. THOMPSON.

' ORE GRIISHER.

N0. 541,632. Patented June 25, 1895..1 ('3' o INVENTORJ.

(No Model.) 3 Sheets-Sheet 3. R. H. SANDERS & G. T. THOMPSON.

ORE GRUSHER.

INYENTORS.

@MW rag ,7. m.

150: means PEIERS co PHOYO-LITHOY, wnsmuo'rom u. c.

UNITE STAT S ATENT OFFICE.

RIOHARD'H. SANDERS AND CHARLES T. THOMPSON, OF PHILADELPHIA,

. PENNSYLVANIA.

ORE-CRUSHER.

SPECIFICATION forming part. of Letters Patent No. 541,632, dated June25, 1895.

Application filed May 22, 1893. Serial No. 475,105. (No model.)

To all whom it may concern:

Be it known that we, RICHARD H. SANDERS and CHARLES T..THoMPsoN, ofPhiladelphia, in the State of Pennsylvania, have invented a certain newand useful Apparatus for Orushing Ore or other Material, whereof thefollowing is a specification, reference being had to the accompanyingdrawings.

In said drawings Figure 1 represents a general side view of theapparatus, and Fig. 2 a top or plan View thereof, the scale of these twoviews being such as not to permit elaborate illustrations of details.Fig. 3 is a vertical transverse section through the appara= tus, on anenlarged scale, and showing some of the details of construction. Fig. Lis a similar section showing a modified arrangement fordelivering thematerial to be crushed.

Broadly speaking,our invention consists in combining with asubstantially straight track, or hard flat surface of sufficient length,a hard roller provided with actuating mechanism whereby it maybe drawnalternatelyin opposite directions along said track, and means forfeeding the material to be crushed in front of the roller as it advancesin either direction, and for removing the crushed material after theaction of the roller upon it.

Among the advantages Which are attained by our invention are greatsimplicity and cheapness in the construction of the working parts, aminimum of wear upon the roller and its journals and upon the track,owing to the fact that more traction, without. twisting strain orpositive grinding, is employed, and economy of power required for theactuating devices.

Referring to the drawings, A indicates a track which is preferablycomposed of a plurality of steel rails, a, laid longitudinally closetogether upon ties, a which in turn are preferably supported uponlongitudinal string pieces, a. The track should be properlyballasted toinsure its permanency under the heavy pressure which it is to sustain,

though of course, to a certain extent, the comminuted ore itself willenter between the rails, as well as into other interstices, and

supply the upper stratum of ballast.

The track at each end is laid with a slight incline or upgrade, asindicated at A, A respectively, the purpose of said inclines being toarrest the forward motion of the roller when it approaches the end ofthe track and at the same time store up the power due to its momentum,so that when the movement of the roller is to be reversed it can beeasily started.

The roller itself is indicated at B, and preferably consists of acylinder of cast iron upon which it is intended to be used. The

roller, B,is provided with laterally projecting axles or journals,b,which rotate in the journal boxes, b, supported in a traction frame,which preferably is constructed as indicated in the plan view of Fig. 2,viz: a certain rect- 7d angular frame work, B terminating at each end intriangular frames, B, B respectively, the apex of each triangle beingopposite to the longitudinal center of the roller. The

two longitudinal halves of the traction frame, 7 5

that is to say, those portions which are on opposite sides of the axle,are preferably inclined at a slight angle to each other, as indicated inthe side View of Fig. 1, so that when onehalf, as for instance B, is ina horizontal po- -sition the other half, B depends slightly downward.

A rope or chain, 0, is attached to the apex of the frame B, and asimilar rope or chain,

0 is attached to the apex of the frame, B -each of said ropes or chainsbeing provided 'with a suitably driven drum or other actuating devices,as indicated at D, D.

The traction frame carries at each end a discharging scraper, indicatedat F andF, re-

spectively, which scrapers are suspended and held in position by chains,f, f, respectively, parallel to the surface of the track, but at anangle to the longitudinal axis thereof.

The length of thesuspending chains is such 5 that when one end of thetraction frame is in a horizontal position, owing to the pull of theactuating rope thereon, the scraper at that end will be lifted somedistance above the plane of the track, while at the same time too thedroop of the then rearward end of the traction frame (due to its beingat an angle to the forward part of said frame) will let the rearwardscraper down upon the track and cause it to be drawn along the same inclose contact with the surface thereof.

In Fig. 1 the apparatus is represented as moving toward the left, thepull being upon the rope, O, and the frame F is consequently liftedclear of the track, while the rope, 0' being slack and the frame, Bdrooping, the scraper, F, is dragging upon the track in close contact.The action of these scrapers is, of course, alternately to collect anddis charge laterally the crushed ore or other material, over which theroller has just passed, each being alternatively operative for thepurpose and each discharging at the same side of the track. Thedischarge takes place into a trough, K, running longitudinally with thetrack at the discharge side thereof, and said trough is provided with atraveling conveyer of any Well known construction whose blades areindicated at 70, and which is adapted to deliver the ore to any pointdesired.

Extending along one side of the track is the bin, E, in which thematerial to be crushed is stored and from which it is delivered. Saidbin may be of any suitable construction for holding a large quantity ofmaterial. Along its front is an elongated opening, 6, through whichthe'material falls, by gravity and pressure from above, on to theplatform, G, which extends along one side of thetrack to the edgethereof and at a level somewhat above that of the roller axle. A pair offeeding scrapers, P, P, respectively, is arranged to travellongitudinally along the surface of the platform, E, in conformity withthe movements of the roller, a convenient form of actuating mechanismbeing ropes or chains, Q, Q, attached respectively to the scrapers, Pand P, and driven by drums or other actuating mechanism indicated at Sand S.

The feeding scrapers, P, P, are preferably curved as shown in Fig. 2,and are connected to each other so as to form a single laterallyinclosed frame by means of longitudinal side pieces, 19, p, andcross-braces, p,p. The scrapent'rame also carries delivery chutes,.R, R,arranged adjacent to the delivery endsof thescrapers, P and P,respectively, and leading downward to points of discharge above.

the axis of the track and close to the opposite faces of the roller, B.Said feeding scrapers, P, P, are arranged to travel in conformity withthe movement of the roller and only that one of them, is operative, forthe time being, which is delivering ore in front of the, roller, sincethe intermediate framing at 10, prevents the, ore from getting inbetween the two scrapers during their travel.

The operation of the device is as follows: The bin. being filled withore or other material to be crushed, and the latter being continuallyforced out on to the platform, G, the feeding scrapers and the rollerframe are caused to travel alternately in opposite directions, saidfeeding scrapers constantly delivering ore in front of the roller,asindicated at O. The roller in its travel crushes said material into acomminuted form and the crushed material, indicated at O, is swept offin rear of the roller, by means of the discharging scraper, F', whichfor the time being isoperative, and discharged into the trough K. It isthence continually removed by the conveyor, and if sufficientlycomminuted to need no further treatment may be delivered to the pointwhere it is to be utilized. If, however, the ore is of irregularcomminution it may be delivered to a rotating screen, L, from theinterior of which the coarser portionsare discharged at Z into the pathof an elevating conveyor, M, which re turns them to the bin in order tosubject them to a second crushing operation.

An alternative form shown in Fig.4, comprises a different arrangement ofthe delivery scrapers adapted to be used where it is convenient to havethe platform on which said scrapers act at a height sufficient to clearthe roller in its passage. The arrangement of the other partsisprecisely the same as that above described, except that the platformoverhangs the track to a distance substantially in line with the axisthereof and the auxiliary discharge chutes, R, R, are thereforedispensed with. It is notdeemednecessary to repeat in connection withthis figure; the description of the other parts, which however areindicated by corresponding letters to those previously used, but withthe mark 4 aflixed thereto.

Having thus described our invention, we claim- 1. The combination of asubstantially straight track; a roller adapted to run thereon; actuatingmechanism for drawing said roller alternately in opposite directionsalong said track; feeding devices for delivering ma terial in front in.each of its two directions of travel; discharging scrapers. arranged inthe described relation to the roller and adapted to discharge thecrushed material at one side of the track; a trough arranged along saidside of the track; and a conveyer arranged in said trough, substantiallyas set forth.

2. An ore crusher comprising a bed,a crushing body upon said bed,meansfor reciprocating said body, a supply receptacle for the ore to becrushed, a plate resting upon the floor of said supply receptacle,discharge spouts leading from the opposite sides of said plate toopposite sides of the crushing body, and meansfor reciprocating saidplate in unison with the crushing body. v

3. An orecrusher comprising a bed, a crushing body reciprocating uponsaid bed, a cleaning mechanism carried by said crushing body, and meanswhereby said cleaning mechanism is caused to clean said bed after eachpassage of the crushing body; substantially as described.

4. An orecrusher comprising a bed, acrushing body upon. said bed, aframe upon said crushing body, means for reciprocating said IEO to andmeans for reciprocating said frame, the.

parts being so arranged that in the movement of the frame the advanceend will be raised while the rear end will be brought into operativerelation with the bed for cleaning the same.

RICHARD H. SANDERS. CHAS. T. THOMPSON. Witnesses:

'JAMES H; BELL,

E. REESE.

